Ulisses Ulisses

06-01-2018
Physics

contestada

Displacement vectors of 4 km north, 2km south, 5 km north, and 5km south combine to a total displacement of A 2 km south B 16 km south C.16 km north D 2km north?

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egenriether egenriether

06-01-2018

The north vectors add up as so the south vectors. Then subtract the two. For north its 4 + 5 = 9. South is 2 + 5 = 7. Then 9-7 = 2km North (D)

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